You can go with a wooden brace but depending on the load on your garage door header the sag could reoccur overtime.
Garage door header replacement.
Build a temporary wall.
How to replace a load bearing door header step 1.
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It is a good idea to sandwich 1 2 plywood or osb between the pieces of 2x dimension lumber.
Take down any trim or any external pieces of wood which are not part of the garage door header.
Before removing anything else steve and his crew built a temporary wall to support.
Remove the old header.
If any portion of your garage door header has rotted or softened due to water exposure you need in replace the entire header.
Support the ceiling of the garage using some lumber.
You basically build kind of a fake wall right up to the underside of those rafters to support them between the garage floor and the underside of the rafters while you do the disassembly and replacement of the header.
Step 1 remove the garage door header.
The lintellift system is a patented product that ensures garage door lintels or headers won t sag.
To install the extra header jack your door up to correct the sag and bolt in the beam.
And you do that right inside the garage door.
You can t replace a 16 chunk of it and retain any structural integrity.
By using a steel beam there is less chance of a re occurrence in the sag.
Garage door header replacement.
The new header will consist of.
The old header came free without too much trouble.
I have a raised ranch house built in the 1970 s and i am looking in to replacing the header over the garage.
The best way to fix this problem is to replace the header.
Take out the header by sawing through the center piece.
The garage is located in the basement level of my house with the main level being over the basement.